From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1A8FC15A3 for ; Sun, 31 Jul 2022 03:26:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1659237972; x=1690773972; h=date:from:to:cc:subject:message-id:mime-version; bh=IcGL+BIy3WMtB5r7XufZHaujFpvkbpL0Knkjx1giuiU=; b=KSCPhIhqhU7Vc9mxBrJMYIrcSDv54HCFkSsKM15NdAcK8/uB4xEQ19VK GUdgmGFQc2eeerkf0Gq0Wc5FMyv6jKusB3xTlIaD7NzYJ9MObUiJgIk50 544jhT83z2eKV3845uwZdZsOzxdkDMh8MS0Xs89kFCVdsbV3Rqvx0w0Qr /psn7YrXnef9Wyvq4jBFgKupdnTEYs+pxjJZj9ufyvMgG8LuAImcGtVtj Tix1AA+SweW8aUMGUyCCbMvzDqk0cvBuHAQGw0edYvpI6H3BEFLEMik4x KtAhD4E40r/ntTj+UdR4MPU5sKicvkGAs+8PmclUA+eAeXkax4MWzNuSg Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10424"; a="290170337" X-IronPort-AV: E=Sophos;i="5.93,205,1654585200"; d="scan'208";a="290170337" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jul 2022 20:26:11 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,205,1654585200"; d="scan'208";a="577388396" Received: from lkp-server01.sh.intel.com (HELO e0eace57cfef) ([10.239.97.150]) by orsmga006.jf.intel.com with ESMTP; 30 Jul 2022 20:26:10 -0700 Received: from kbuild by e0eace57cfef with local (Exim 4.96) (envelope-from ) id 1oHzaj-000Dck-1K; Sun, 31 Jul 2022 03:26:09 +0000 Date: Sun, 31 Jul 2022 11:25:39 +0800 From: kernel test robot To: Mauro Carvalho Chehab Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org Subject: drivers/media/platform/marvell/mmp-driver.c:364:34: warning: unused variable 'mmpcam_of_match' Message-ID: <202207311122.TwtWf9R9-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi Mauro, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 6a010258447d386186ca10cd374d888ac66ffe1a commit: dc7bbea90075b57772e9a28043061bf71d96f06f media: platform: rename marvell-ccic/ to marvell/ date: 5 months ago config: mips-randconfig-r024-20220731 (https://download.01.org/0day-ci/archive/20220731/202207311122.TwtWf9R9-lkp@intel.com/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 52cd00cabf479aa7eb6dbb063b7ba41ea57bce9e) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install mips cross compiling tool for clang build # apt-get install binutils-mipsel-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=dc7bbea90075b57772e9a28043061bf71d96f06f git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout dc7bbea90075b57772e9a28043061bf71d96f06f # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/media/platform/marvell/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/media/platform/marvell/mmp-driver.c:364:34: warning: unused variable 'mmpcam_of_match' [-Wunused-const-variable] static const struct of_device_id mmpcam_of_match[] = { ^ 1 warning generated. vim +/mmpcam_of_match +364 drivers/media/platform/marvell/mmp-driver.c bb0a896e3d5083 drivers/media/video/marvell-ccic/mmp-driver.c Jonathan Corbet 2011-12-30 363 83c40e6611ec1e drivers/media/platform/marvell-ccic/mmp-driver.c Lubomir Rintel 2019-05-28 @364 static const struct of_device_id mmpcam_of_match[] = { 83c40e6611ec1e drivers/media/platform/marvell-ccic/mmp-driver.c Lubomir Rintel 2019-05-28 365 { .compatible = "marvell,mmp2-ccic", }, 83c40e6611ec1e drivers/media/platform/marvell-ccic/mmp-driver.c Lubomir Rintel 2019-05-28 366 {}, 83c40e6611ec1e drivers/media/platform/marvell-ccic/mmp-driver.c Lubomir Rintel 2019-05-28 367 }; 08aac0e32fe44b drivers/media/platform/marvell-ccic/mmp-driver.c Lubomir Rintel 2019-07-22 368 MODULE_DEVICE_TABLE(of, mmpcam_of_match); 67a8dbbc4e04cd drivers/media/video/marvell-ccic/mmp-driver.c Jonathan Corbet 2011-06-11 369 :::::: The code at line 364 was first introduced by commit :::::: 83c40e6611ec1e548ece34f6940f516333abc16a media: marvell-ccic/mmp: add devicetree support :::::: TO: Lubomir Rintel :::::: CC: Mauro Carvalho Chehab -- 0-DAY CI Kernel Test Service https://01.org/lkp